Adult Guardianship Assistance | Office of the State Guardian

9511 Harrison Avenue W-335, Des Plaines, IL 60016

Eligibility

Guardians may be appointed, pending approval from the court, to serve as a substitute decision maker if a person is disabled because of: mental deterioration; physical incapacity; mental illness; or developmental disability.

Required documents

Intake forms Additional documents may be required.

Hours

Monday to Friday, 8:30 am - 5:00 pm

866-274-8023

Voice - Intake

https://gac.illinois.gov/osg.html

Languages

English

Application process

(1) Call the intake number at 1-866-274-8023 and leave name and contact number to get a call back by next business day, or visit website to fill out online intake form at https://gac.illinois.gov/osg/online-intake-form.html (2) If calling from outside the State of Illinois, dial 1-708-338-7500 (3) If services are being requested, a Referral and Client Status form will be mailed out (4) Completed form returned by mail will be screened by an intake worker

Fees

Sliding Scale

Service area

Lake County, IL
Cook County, IL
Dupage County, IL
Kane County, IL

Description

Provides adult guardianship services to eligible adult wards when a probate court appoints the office as legal guardian. Also provides basic information and advice about adult guardianship.

Date of Last Formal Update

10/02/2025

Data provided by

211 DuPage County

What's Here

Adult Guardianship Assistance

Providing organization

Illinois Guardianship Advocacy Commission

Provides legal representation, investigating complaints of rights violations and providing state guardianship to project rights and welfare of Illinois' population with disabilities. Divisions include the Office of the State Guardian, the Legal Advocacy Service and the Human Rights Authority, as well as the Special Education Initiative.